======================== unified (from filesystem) ========================
                                         'bitrate'  '208.671'
                                        'duration'  '139'
                                          'artist'  'Jean-Jacques Perrey & Harry Breuer'
                                     'text_people'  ''
                                         'release'  'The Happy Moog!'
                                           'title'  'Moog Foo Young'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['electronic', 'retro electronic', 'moog']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;mi-earlysynth-moog'
                                             'bpm'  '104.9'
                                             'key'  '7A'
                                        'acoustid'  '31ea8772-bbb1-4a96-8493-f74e285c569f'
rest: ''

======================== rawer (from filesystem) ========================

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'TBPM' (BPM (beats per minute))                     '104.9'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'mi-earlysynth-moog']
'TDOR' (Original release time)                      '1969'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Moog Foo Young'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean-Jacques Perrey & Harry Breuer'
'TPE2' (Band/orchestra/accompaniment)               'Jean-Jacques Perrey & Harry Breuer'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              'Perrey, Jean-Jacques & Breuer, Harry'
'TSOP' (Performer sort order)                       'Perrey, Jean-Jacques & Breuer, Harry'
'TXXX:Acoustid Id'                                  '31ea8772-bbb1-4a96-8493-f74e285c569f'
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'TXXX:MusicBrainz Album Id'                         '05f0015d-1ba5-4074-b2c5-e160e3acb94b'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '49a5b367-9a25-43eb-a055-34803a5dce55/e4697e43-f012-4ce5-9f09-05cb0635d42f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronic', 'retro electronic', 'moog']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.13 dB'
'TXXX:replaygain_track_peak'                        '0.622757'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'921ed05e-e0b6-4d19-86d4-3919da92b09f')

========================== row from database ==========================
                                              'id'  1363906
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Jean-Jacques Perrey & Harry Breuer - Jean-Jacques Perrey/[1972] The Happy Moog/05. Moog Foo Yong.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  139
                                           'genre'  electronic-experimental-early;mi-earlysynth-moog
                                        'filesize'  3725560
                                           'mtime'  1636921170
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [1972] 05. Yong electronic experimental early;mi earlysynth moog
                                      'tag_artist'  Jean-Jacques Perrey & Harry Breuer
                                     'tag_release'  The Happy Moog!
                                       'tag_title'  Moog Foo Young
                                             'bpm'  104.9
                                    'search_title'  'foo':2 'moog':1 'young':3
                                   'search_artist'  'breuer':6 'harry':5 'jacques':2 'jean':1 'jeanjacques':3 'perrey':4
                                  'search_release'  'happy':2 'moog':3 'the':1
                                     'search_rest'  '05':3,4 '1972':1,2 'early':8,10 'earlysynth':12 'electronic':6 'experimental':7 'mi':9,11 'moog':13 'yong':5
                                    'search_combo'  '05':15,16 '1972':13,14 'breuer':9B 'early':20,22 'earlysynth':24 'electronic':18 'experimental':19 'foo':2A 'happy':11C 'harry':8B 'jacques':5B 'jean':4B 'jeanjacques':6B 'mi':21,23 'moog':1A,12C,25 'perrey':7B 'the':10C 'yong':17 'young':3A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'retro electronic', 'moog']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636921170.0503364  (2021-11-14 21:19:30)
                             'size'  3725560